21880824

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{937}}^1$

素因数の和:1092

約数の個数: 64

約数和(自身を含む): 63033600

約数和(自身を除く): 41152776

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 139, 168, 278, 417, 556, 834, 937, 973, 1112, 1668, 1874, 1946, 2811, 2919, 3336, 3748, 3892, 5622, 5838, 6559, 7496, 7784, 11244, 11676, 13118, 19677, 22488, 23352, 26236, 39354, 52472, 78708, 130243, 157416, 260486, 390729, 520972, 781458, 911701, 1041944, 1562916, 1823402, 2735103, 3125832, 3646804, 5470206, 7293608, 10940412, 21880824]

約数ペア:

[(1, 21880824), (2, 10940412), (3, 7293608), (4, 5470206), (6, 3646804), (7, 3125832), (8, 2735103), (12, 1823402), (14, 1562916), (21, 1041944), (24, 911701), (28, 781458), (42, 520972), (56, 390729), (84, 260486), (139, 157416), (168, 130243), (278, 78708), (417, 52472), (556, 39354), (834, 26236), (937, 23352), (973, 22488), (1112, 19677), (1668, 13118), (1874, 11676), (1946, 11244), (2811, 7784), (2919, 7496), (3336, 6559), (3748, 5838), (3892, 5622)]